CARLTON has flagged a potential shift into the backline for Mitch McGovern, with Blues coach David Teague saying he is still weighing up what his best attacking unit looks like this season.

McGovern was held goalless from just six disposals in last week's disappointing defeat to St Kilda, struggling to have an impact in a tall forward line that also included Harry McKay and Levi Casboult.

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It's led to suggestions the former Adelaide player could be switched into a defensive role in the coming weeks in order to kickstart his career at Ikon Park, with Teague suggesting he would have no concerns around McGovern's versatility to make the move.

"If we lose a backman, we often mention Mitch's ability," Teague said.

"We know he's done it before. He did it against us in 2018 when he was at Adelaide.

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"He reads the game really well, so we're very comfortable if we need to put him behind the ball."

Despite being held goalless last week, McGovern was praised by Teague for his impact in the club's successive victories over Geelong and Essendon earlier this season where he kicked two goals on each occasion.

But yet the Blues have still bolstered their forward options ahead of Sunday evening's clash with the Western Bulldogs at Metricon Stadium, bringing Zac Fisher and Callum Moore into an extended squad.

However, McGovern – who is a confirmed starter for this weekend's match – will be persisted with as a forward, with Teague saying the club is still finding its most consistent mix at either end following a 2-3 start to the year.

"Last week a lot of our forwards were quiet," Teague said.

"(But) I think we're grouping him in. He gets a little bit more media attention than the others.

"We want to play our best team and pick our best-balanced side, so we'll do whatever we think is right to get that.

"You've always got different options up your sleeve, but right now we think the role he's playing for our team … he'd probably say he's not playing as well as he'd like to play, but there are a lot of players on our list in that position.

"We've got to continue to work together to play team football that continues to improve every week. He's part of that."